Home / 10,173.55-15,242.38-8,910.04

Finding the Fourth Proportional to 10,173.55, 15,242.38 and 8,910.04

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Solution

The fourth proportional to 10,173.55, 15,242.38 and 8,910.04 is: 13,349.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,173.55 : 15,242.38 = 8,910.04 : x
  2. Step 2: Convert to fraction form
    10,173.55/15,242.38 = 8,910.04/x
  3. Step 3: Cross multiply
    10,173.55x = 15,242.38 × 8,910.04
  4. Step 4: Simplify right side
    10,173.55x = 135,810,215.50
  5. Step 5: Solve for x
    x = 135,810,215.50/10,173.55
  6. Step 6: Final answer
    x = 13,349.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.